Family | ASTERACEAE |
Genus species | Heterotheca polothrix G.L.Nesom trib. Astereae |
Bibliography | Sida 22: 373 (2006) |
Native Range | w. & sw. Colorado to n. & e. Arizona |
Primary Biome | Temperate |
Habitat | rocks |
Altitude | 400-3200m |
Description | stems ascendent, long hirsute, glandular, lower stem leaves lanceolate, 1-3cm, sharply acute, pilose-strigose, capitula in corymb, bracts triangular-lanceolate, ligules 5-10mm |
Size | 20-35cm |
Color | yellow |
Bloom | summer |
Ca | + |
Type | perennial |
Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
Propagation | seed in spring, barely covered, germ. 1 month, 16-21°C cuttings in spring and late summer |
Synonyms | Chrysopsis villosa var. scabra Eastw. Chrysopsis viscida var. cinerascens S.F.Blake Heterotheca villosa var. scabra (Eastw.) Semple |
Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado) 76 Southwestern U.S.A. (ARI Arizona, NEV Nevada, UTA Utah) |